Austenitic heat-resistant
1.4864 TP 330 (Alloy DS) X12NiCrSi36-16
High-nickel silicon-bearing austenitic (Alloy DS) with very high hot strength and good resistance to oxidation and carburisation in alternating atmospheres.
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Chemical composition
mass %| Element | Content |
|---|---|
| CCarbon | ≤0.1 |
| SiSilicon | 1.9–2.6 |
| MnManganese | 0.8–1.5 |
| PPhosphorus | ≤0.045 |
| SSulphur | ≤0.03 |
| CrChromium | 17–19 |
| NiNickel | 34.5–41 |
| TiTitanium | ≤0.2 |
Mechanical properties
room temperature- Scaling temperature (°C)
- 1050
Standard equivalences
- DIN/EN
- X12NiCrSi36-16
- AISI
- 330
- UNS
- N08303
- AFNOR
- Z12 NCS 35.16
- BS
- cf. NA 17
- PN
- H16N236S2
Typical applications
- Industrial furnace and apparatus construction
- Heat-treatment baskets
- Trays and fixtures
Frequently asked questions
What is 1.4864 (TP 330 (Alloy DS))?
1.4864 (X12NiCrSi36-16) — Austenitic heat-resistant. High-nickel silicon-bearing austenitic (Alloy DS) with very high hot strength and good resistance to oxidation and carburisation in alternating atmospheres.
Which grades are equivalent to 1.4864?
1.4864 corresponds to EN X12NiCrSi36-16; equivalent designations: AISI 330, UNS N08303, AFNOR Z12 NCS 35.16, BS cf. NA 17, PN H16N236S2.
Related grades
Indicative values — verify against the applicable standard before specifying.
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